12 Days of Christmas
876
99 Bottles of Beer
757
Abundant Numbers
820
Abundant Numbers (Long)
878
Arabic to Roman
697
Arithmetic Numbers
907
Collatz
863
Divisors
1,000
Emirp Numbers
455
Fibonacci
842
Fizz Buzz
973983870
Leap Years
909
Leyland Numbers
832
Niven Numbers
746984
Pascalβs Triangle
621
Pernicious Numbers
655
Prime Numbers
938
Prime Numbers (Long)
1,000
Van Eck Sequence
573